73

77

i

82

90

9-0

80   63   96

Q=altou's uiethoil of counting the Ridges iii Loops. The uumber of ridges a, determined by him are given ill the left-hand top eorner of each print: see our pp. _'01-203.

A dabbed and a rolled print of the same Singer to indicate how the former may lead one
to classify as a loop, what the latter Ahows to be really a whorl : see our p. 213.